AirHint found the following cheapest return flights from London (LHR) to Tokyo (HND) in December 2025 (see full year).

Return flights

31 Dec - 27 Jan	Air China
31 Dec - 19 Jan	Air China
30 Dec - 19 Jan	Air China
09 Dec - 16 Dec	Scandinavian Airlines
06 Dec - 16 Dec	Iberia
27 Dec - 11 Jan	Turkish Airlines
31 Dec - 20 Jan	Air China
26 Dec - 22 Jan	Air China
31 Dec - 14 Jan	Scandinavian Airlines
23 Dec - 26 Jan	Air China
07 Dec - 10 Dec	Air India
07 Dec - 22 Dec	Air India
07 Dec - 24 Dec	Air India
07 Dec - 21 Dec	Air India
07 Dec - 23 Dec	Air India
25 Dec - 20 Jan	ANA
07 Dec - 13 Dec	ANA
08 Dec - 14 Dec	Air France
29 Dec - 11 Jan	Scandinavian Airlines
09 Dec - 22 Dec	Air India

Also check the deals for one-way flights from London to Tokyo in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Tokyo in December from $805

Return flights